1*4bdc9457SAndroid Build Coastguard Worker// Copyright 2022 Google LLC 2*4bdc9457SAndroid Build Coastguard Worker// 3*4bdc9457SAndroid Build Coastguard Worker// This source code is licensed under the BSD-style license found in the 4*4bdc9457SAndroid Build Coastguard Worker// LICENSE file in the root directory of this source tree. 5*4bdc9457SAndroid Build Coastguard Worker 6*4bdc9457SAndroid Build Coastguard Worker$assert BATCH_TILE % 8 == 0 7*4bdc9457SAndroid Build Coastguard Worker$assert BATCH_TILE >= 8 8*4bdc9457SAndroid Build Coastguard Worker$SIMD_TILE = BATCH_TILE // 8 9*4bdc9457SAndroid Build Coastguard Worker$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" 10*4bdc9457SAndroid Build Coastguard Worker$assert OP in ["RNDNE", "RNDZ", "RNDU", "RNDD"] 11*4bdc9457SAndroid Build Coastguard Worker#include <assert.h> 12*4bdc9457SAndroid Build Coastguard Worker 13*4bdc9457SAndroid Build Coastguard Worker#include <arm_neon.h> 14*4bdc9457SAndroid Build Coastguard Worker 15*4bdc9457SAndroid Build Coastguard Worker#include <xnnpack/common.h> 16*4bdc9457SAndroid Build Coastguard Worker#include <xnnpack/math.h> 17*4bdc9457SAndroid Build Coastguard Worker#include <xnnpack/vunary.h> 18*4bdc9457SAndroid Build Coastguard Worker 19*4bdc9457SAndroid Build Coastguard Worker 20*4bdc9457SAndroid Build Coastguard Worker$VRNDQ_F16 = { 21*4bdc9457SAndroid Build Coastguard Worker$ "RNDNE": "vrndnq_f16", 22*4bdc9457SAndroid Build Coastguard Worker$ "RNDZ": "vrndq_f16", 23*4bdc9457SAndroid Build Coastguard Worker$ "RNDU": "vrndpq_f16", 24*4bdc9457SAndroid Build Coastguard Worker$ "RNDD": "vrndmq_f16", 25*4bdc9457SAndroid Build Coastguard Worker$}[OP] 26*4bdc9457SAndroid Build Coastguard Workervoid xnn_f16_v${OP.lower()}_ukernel__neonfp16arith_x${BATCH_TILE}( 27*4bdc9457SAndroid Build Coastguard Worker size_t n, 28*4bdc9457SAndroid Build Coastguard Worker const void* input, 29*4bdc9457SAndroid Build Coastguard Worker void* output, 30*4bdc9457SAndroid Build Coastguard Worker const union xnn_f16_rnd_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS 31*4bdc9457SAndroid Build Coastguard Worker{ 32*4bdc9457SAndroid Build Coastguard Worker assert(n != 0); 33*4bdc9457SAndroid Build Coastguard Worker assert(n % sizeof(__fp16) == 0); 34*4bdc9457SAndroid Build Coastguard Worker 35*4bdc9457SAndroid Build Coastguard Worker const __fp16* i = (const __fp16*) input; 36*4bdc9457SAndroid Build Coastguard Worker __fp16* o = (__fp16*) output; 37*4bdc9457SAndroid Build Coastguard Worker $if BATCH_TILE > 8: 38*4bdc9457SAndroid Build Coastguard Worker for (; n >= ${BATCH_TILE} * sizeof(__fp16); n -= ${BATCH_TILE} * sizeof(__fp16)) { 39*4bdc9457SAndroid Build Coastguard Worker $for N in range(SIMD_TILE): 40*4bdc9457SAndroid Build Coastguard Worker float16x8_t vacc${ABC[N]} = vld1q_f16(i); i += 8; 41*4bdc9457SAndroid Build Coastguard Worker 42*4bdc9457SAndroid Build Coastguard Worker $for N in range(SIMD_TILE): 43*4bdc9457SAndroid Build Coastguard Worker vacc${ABC[N]} = ${VRNDQ_F16}(vacc${ABC[N]}); 44*4bdc9457SAndroid Build Coastguard Worker 45*4bdc9457SAndroid Build Coastguard Worker $for N in range(SIMD_TILE): 46*4bdc9457SAndroid Build Coastguard Worker vst1q_f16(o, vacc${ABC[N]}); o += 8; 47*4bdc9457SAndroid Build Coastguard Worker } 48*4bdc9457SAndroid Build Coastguard Worker for (; n >= 8 * sizeof(__fp16); n -= 8 * sizeof(__fp16)) { 49*4bdc9457SAndroid Build Coastguard Worker float16x8_t vacc = vld1q_f16(i); i += 8; 50*4bdc9457SAndroid Build Coastguard Worker vacc = ${VRNDQ_F16}(vacc); 51*4bdc9457SAndroid Build Coastguard Worker vst1q_f16(o, vacc); o += 8; 52*4bdc9457SAndroid Build Coastguard Worker } 53*4bdc9457SAndroid Build Coastguard Worker if XNN_UNLIKELY(n != 0) { 54*4bdc9457SAndroid Build Coastguard Worker float16x8_t vacc = vld1q_f16(i); 55*4bdc9457SAndroid Build Coastguard Worker vacc = ${VRNDQ_F16}(vacc); 56*4bdc9457SAndroid Build Coastguard Worker float16x4_t vacc_lo = vget_low_f16(vacc); 57*4bdc9457SAndroid Build Coastguard Worker if (n & (4 * sizeof(__fp16))) { 58*4bdc9457SAndroid Build Coastguard Worker vst1_f16(o, vacc_lo); o += 4; 59*4bdc9457SAndroid Build Coastguard Worker vacc_lo = vget_high_f16(vacc); 60*4bdc9457SAndroid Build Coastguard Worker } 61*4bdc9457SAndroid Build Coastguard Worker if (n & (2 * sizeof(__fp16))) { 62*4bdc9457SAndroid Build Coastguard Worker vst1_lane_u32((void*) o, vreinterpret_u32_f16(vacc_lo), 0); o += 2; 63*4bdc9457SAndroid Build Coastguard Worker vacc_lo = vext_f16(vacc_lo, vacc_lo, 2); 64*4bdc9457SAndroid Build Coastguard Worker } 65*4bdc9457SAndroid Build Coastguard Worker if (n & (1 * sizeof(__fp16))) { 66*4bdc9457SAndroid Build Coastguard Worker vst1_lane_f16(o, vacc_lo, 0); 67*4bdc9457SAndroid Build Coastguard Worker } 68*4bdc9457SAndroid Build Coastguard Worker } 69*4bdc9457SAndroid Build Coastguard Worker} 70